John F. Kennedy

Self (archive footage)

Walter Cronkite

Self - Anchor, CBS News (voice) (archive sound)

Peter Jennings

Self - ABC News Reporter

Cyril H. Wecht

Self - MD, JD, President of Academy of Forensic Sciences

Robert McClelland

Self - Medical Doctor

Marion Jenkins

Self - Medical Doctor

Richard Dulany

Self - Medical Doctor

Charles J. Carrico

Self - Medical Doctor (archive footage)

G. Robert Blakey

Self - Chief Counsel for the House Assassinations Committee

Richard Bissell

Self - CIA Director of Operations (archive footage)

Charles Cabell

Self - General, CIA Deputy Director (archive footage)

Richard M. Bissell Jr.

Self - CIA Deputy Director for Plans (archive footage)

Ramon Rodriguez

Self - CIA Covert Operations (archive footage)

Allen Dulles

Self - CIA Director (archive footage)

William Colby

Self - CIA Director (voice) (archive sound)

John Hankey